X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=sigview.cpp;h=4097ae5c25fe1f316b4cd9359dbe44b79bd8a8cf;hb=131e801229c3cc899dd8a478d4491e384e57238e;hp=565e67e2eb8a4d968c5fcf8d0be78727168797a3;hpb=e3f65ace22c6bcd371967302f8d01d0769e3a23f;p=pulseview.git

diff --git a/sigview.cpp b/sigview.cpp
index 565e67e..4097ae5 100644
--- a/sigview.cpp
+++ b/sigview.cpp
@@ -23,6 +23,8 @@
 #include "sigsession.h"
 #include "signal.h"
 
+#include <QMouseEvent>
+
 #include <boost/foreach.hpp>
 
 using namespace boost;
@@ -32,7 +34,9 @@ const int SigView::SignalHeight = 50;
 
 SigView::SigView(SigSession &session, QWidget *parent) :
 	QGLWidget(parent),
-        _session(session)
+        _session(session),
+	_scale(1e-6),
+	_offset(0)
 {
 	connect(&_session, SIGNAL(dataUpdated()),
 		this, SLOT(dataUpdated()));
@@ -70,7 +74,7 @@ void SigView::paintGL()
 	BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
 	{
 		assert(s);
-		s->paint(*this, rect);
+		s->paint(*this, rect, _scale, _offset);
 		rect.translate(0, SignalHeight);
 	}
 }
@@ -80,3 +84,35 @@ void SigView::dataUpdated()
 	update();
 }
 
+void SigView::mouseMoveEvent(QMouseEvent *event)
+{
+	assert(event);
+}
+
+void SigView::mousePressEvent(QMouseEvent *event)
+{
+	assert(event);
+}
+
+void SigView::mouseReleaseEvent(QMouseEvent *event)
+{
+	assert(event);
+
+	const double cursor_offset = _offset + _scale * (double)event->x();
+
+	switch(event->button())
+	{
+	case Qt::LeftButton:
+		_scale *= 2.0 / 3.0;
+		break;
+
+	case Qt::RightButton:
+		_scale *= 3.0 / 2.0;
+		break;
+	}
+
+	_offset = cursor_offset - _scale * (double)event->x();
+
+	updateGL();
+}
+